Method decode_variant_2

compat/variant_decoder_compat.cpp:1156–1877

}

Error VariantDecoderCompat::decode_variant_2(Variant &r_variant, const uint8_t *p_buffer, int p_len, int *r_len, bool p_allow_objects) {
	const uint8_t *buf = p_buffer;
	int len = p_len;

	ERR_FAIL_COND_V(len < 4, ERR_INVALID_DATA);

	uint32_t type = decode_uint32(buf);

	ERR_FAIL_COND_V((type & ENCODE_MASK) >= V2Type::VARIANT_MAX, ERR_INVALID_DATA);

	buf += 4;
	len -= 4;
	if (r_len) {
		*r_len = 4;
	}

	switch (type & ENCODE_MASK) {
		case V2Type::NIL: {
			r_variant = Variant();
		} break;
		case V2Type::BOOL: {
			ERR_FAIL_COND_V(len < 4, ERR_INVALID_DATA);
			bool val = decode_uint32(buf);
			r_variant = val;
			if (r_len) {
				(*r_len) += 4;
			}
		} break;
		case V2Type::INT: {
			if (type & ENCODE_FLAG_64) {
				ERR_FAIL_COND_V(len < 8, ERR_INVALID_DATA);
				int64_t val = decode_uint64(buf);
				r_variant = val;
				if (r_len) {
					(*r_len) += 8;
				}

			} else {
				ERR_FAIL_COND_V(len < 4, ERR_INVALID_DATA);
				int32_t val = decode_uint32(buf);
				r_variant = val;
				if (r_len) {
					(*r_len) += 4;
				}
			}

		} break;
		case V2Type::REAL: {
			if (type & ENCODE_FLAG_64) {
				ERR_FAIL_COND_V(len < 8, ERR_INVALID_DATA);
				double val = decode_double(buf);
				r_variant = val;
				if (r_len) {
					(*r_len) += 8;
				}
			} else {
				ERR_FAIL_COND_V(len < 4, ERR_INVALID_DATA);
				float val = decode_float(buf);